diff --git a/pkgs/by-name/pa/parallel/package.nix b/pkgs/by-name/pa/parallel/package.nix
index 6828f8ec4bc8..91e2943cca97 100644
--- a/pkgs/by-name/pa/parallel/package.nix
+++ b/pkgs/by-name/pa/parallel/package.nix
@@ -12,11 +12,11 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "parallel";
-  version = "20251122";
+  version = "20251222";
 
   src = fetchurl {
     url = "mirror://gnu/parallel/parallel-${finalAttrs.version}.tar.bz2";
-    hash = "sha256-No0Zgs/Z2+u4zQ5ETeYZlVnflKwt0e35X3Q1Dwrx6E0=";
+    hash = "sha256-tWtTiNoPLK3/b3DG6eafivlRbrJmWtok00ctWWWSwnU=";
   };
 
   outputs = [